5 letter words:
dildo7,
undid7,
indol6,
4 letter words:
dido6,
dino5,
diol5,
idol5,
lido5,
loid5,
loud5,
nodi5,
udon5,
undo5,
lino4,
lion4,
loin4,
noil4,
3 letter words:
zin12,
did5,
dud5,
odd5,
din4,
dol4,
don4,
dui4,
dun4,
duo4,
lid4,
nod4,
old4,
oud4,
udo4,
ion3,
lin3,
nil3,
oil3,
2 letter words:
do3,
id3,
od3,
in2,
li2,
lo2,
no2,
nu2,
oi2,
on2,
un2,